Casimir edge effects

Details Casimir edge effects Casimir edge effects

2006-06-28

arxiv.org/abs/quant-ph/0606235v1

Phys.Rev.Lett.97:220405,2006

Physics

Quantum Physics

5 pages, 6 figures

Scientific paper

10.1103/PhysRevLett.97.220405

We compute Casimir forces in open geometries with edges, involving parallel as well as perpendicular semi-infinite plates. We focus on Casimir configurations which are governed by a unique dimensional scaling law with a universal coefficient. With the aid of worldline numerics, we determine this coefficient for various geometries for the case of scalar-field fluctuations with Dirichlet boundary conditions. Our results facilitate an estimate of the systematic error induced by the edges of finite plates, for instance, in a standard parallel-plate experiment. The Casimir edge effects for this case can be reformulated as an increase of the effective area of the configuration.

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